Manna Sirak

Data Scientist @MassMutual

San Diego, US

JUMPROPE | Risk & Product- Headed the production of a predictive machine learning model to assess riskiness of life insurance applications submitted on behalf of juveniles, allowing for increase of automation rates (straight-through processing) and decreased cycle time - Identified and addressed inefficiencies in previous rules-based workflow - Completed EDA, feature construction and preprocessing on three internal and external data sources, each of which contained dozens of feature sets - Heavy coordination with underwriting and medical stakeholders to ensure alignment on a set of medical rules to be laid atop the model and further moderate risk assignment; production of multiple model iterations, each integrating their concerns and feedback FOCUS Model | Risk & Product- Completed EDA and preprocessing on group of features surrounding the medical interview portion of the application for life insurance policy- Construction of feature representation to accurately capture risk originating from each impairment - Coordination with stakeholders in medical and underwriting domains to refine various aspects of modeling approachLapse Project | Customer Experience- Engineered R model to accurately produce ranked list of 500 policyholders most likely to lapse on premium payments, which renewed weekly- Designed experiment to test most effective two-step call & email treatment for potential lapse cases, coordinated with stakeholders for implementation - Designed dashboard to allow Customer Service Reps visibility in order to administer treatment PERFORMA | Data Science Software Engineering & Investments and Finance- Built webpage capturing return attribution for any given investment portfolio taking in multiple form inputs and outputting filtered chart - Informed stakeholder decision making around investments and manager assignments based on a portfolio’s historical performance

North Seattle Community College, Running Start Program

N/A

University of Washington

Bachelor of Science (BS), Psychology, with minors in Education, Learning and Society, Diversity

Georgia State University

Master of Arts - MA, Econometrics and Quantitative Economics

Georgia State University

Master of Science - MS, Quantitative Risk Analysis and Management